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authorRichard Gobert <richardbgobert@gmail.com>2022-06-22 18:09:03 +0200
committerJakub Kicinski <kuba@kernel.org>2022-06-24 16:24:38 -0700
commitede57d58e6f38d5bc66137368e4a1e68a157af6e (patch)
tree9a412c4d1bbf5865189ee1eba9e926ea3749561e /net/ipv4
parent1da9e27415bfc54db25c8374331aaf5321185a1d (diff)
downloadlinux-next-ede57d58e6f38d5bc66137368e4a1e68a157af6e.tar.gz
net: helper function skb_len_add
Move the len fields manipulation in the skbs to a helper function. There is a comment specifically requesting this and there are several other areas in the code displaying the same pattern which can be refactored. This improves code readability. Signed-off-by: Richard Gobert <richardbgobert@gmail.com> Link: https://lore.kernel.org/r/20220622160853.GA6478@debian Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/esp4.c4
-rw-r--r--net/ipv4/ip_output.c8
2 files changed, 3 insertions, 9 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index b21238df3301..7eae8d686e20 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -502,9 +502,7 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
nfrags++;
- skb->len += tailen;
- skb->data_len += tailen;
- skb->truesize += tailen;
+ skb_len_add(skb, tailen);
if (sk && sk_fullsock(sk))
refcount_add(tailen, &sk->sk_wmem_alloc);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 00b4bf26fd93..5e32a2f86fbd 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1214,9 +1214,7 @@ alloc_new_skb:
pfrag->offset += copy;
skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], copy);
- skb->len += copy;
- skb->data_len += copy;
- skb->truesize += copy;
+ skb_len_add(skb, copy);
wmem_alloc_delta += copy;
} else {
err = skb_zerocopy_iter_dgram(skb, from, copy);
@@ -1443,9 +1441,7 @@ ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
skb->csum = csum_block_add(skb->csum, csum, skb->len);
}
- skb->len += len;
- skb->data_len += len;
- skb->truesize += len;
+ skb_len_add(skb, len);
refcount_add(len, &sk->sk_wmem_alloc);
offset += len;
size -= len;